replacer/init.lua
2013-02-02 03:21:23 +01:00

139 lines
4.9 KiB
Lua

-- adds a function to check ownership of a node; taken from VanessaEs homedecor mod
dofile(minetest.get_modpath("replacer").."/check_owner.lua");
minetest.register_tool( "replacer:replacer",
{
description = "Node replacement tool",
groups = {},
inventory_image = "default_tool_steelaxe.png", --TODO
wield_image = "",
wield_scale = {x=1,y=1,z=1},
stack_max = 1, -- it has to store information - thus only one can be stacked
liquids_pointable = true, -- it is ok to painit in/with water
-- TODO
tool_capabilities = {
full_punch_interval = 1.0,
max_drop_level=0,
groupcaps={
-- For example:
fleshy={times={[2]=0.80, [3]=0.40}, maxwear=0.05, maxlevel=1},
snappy={times={[2]=0.80, [3]=0.40}, maxwear=0.05, maxlevel=1},
choppy={times={[3]=0.90}, maxwear=0.05, maxlevel=0}
}
},
node_placement_prediction = nil,
metadata = "default:dirt", -- default replacement: common dirt
on_place = function(itemstack, placer, pointed_thing)
if( placer == nil or pointed_thing == nil) then
return itemstack; -- nothing consumed
end
local name = placer:get_player_name();
--minetest.chat_send_player( name, "You PLACED this on "..minetest.serialize( pointed_thing )..".");
if( pointed_thing.type ~= "node" ) then
minetest.chat_send_player( name, " Error: No node selected.");
return nil;
end
local pos = minetest.get_pointed_thing_position( pointed_thing, above );
local node = minetest.env:get_node_or_nil( pos );
--minetest.chat_send_player( name, " Target node: "..minetest.serialize( node ).." at pos "..minetest.serialize( pos )..".");
local item = itemstack:to_table();
-- make sure metadata is always set
if( node ~= nil and node.name ) then
item[ "metadata" ] = node.name;
else
item[ "metadata" ] = "default:dirt";
end
itemstack:replace( item );
minetest.chat_send_player( name, "Node replacement tool set to: '"..( node.name or "?").."'.");
return itemstack; -- nothing consumed but data changed
end,
-- on_drop = func(itemstack, dropper, pos),
on_use = function(itemstack, user, pointed_thing)
if( user == nil or pointed_thing == nil) then
return nil;
end
local name = user:get_player_name();
--minetest.chat_send_player( name, "You USED this on "..minetest.serialize( pointed_thing )..".");
if( pointed_thing.type ~= "node" ) then
minetest.chat_send_player( name, " Error: No node.");
return nil;
end
local pos = minetest.get_pointed_thing_position( pointed_thing, above );
local node = minetest.env:get_node_or_nil( pos );
--minetest.chat_send_player( name, " Target node: "..minetest.serialize( node ).." at pos "..minetest.serialize( pos )..".");
if( node == nil ) then
minetest.chat_send_player( name, "Error: Target node not yet loaded. Please wait a moment for the server to catch up.");
return nil;
end
local item = itemstack:to_table();
-- do not replace if there is nothing to be done
if( node.name == item[ "metadata"] ) then
minetest.chat_send_player( name, "Node already is '"..( item[ "metadata"] or "?" ).."'. Nothing to do.");
return nil;
end
-- if someone else owns that node then we can not change it
if( replacer_homedecor_node_is_owned(pos, user)) then
return nil;
end
-- in survival mode, the player has to provide the node he wants to be placed
if( not(minetest.setting_getbool("creative_mode") )) then
-- players usually don't carry dirt_with_grass around; it's safe to assume normal dirt here
if( item["metadata"] == "default:dirt_with_grass" ) then
item["metadata"] = "default:dirt";
end
-- does the player carry at least one of the desired nodes with him?
if( not( user:get_inventory():contains_item("main", item["metadata"]))) then
minetest.chat_send_player( name, "You have no further '"..( item[ "metadata"] or "?" ).."'. Replacement failed.");
return nil;
end
-- consume the item
user:get_inventory():remove_item("main", item["metadata"].." 1");
-- TODO: this easy way of digging could still be abused
minetest.env:dig_node( pos );
-- give the player the item
user:get_inventory():add_item( "main", node.name.." 1");
end
minetest.chat_send_player( name, "Replacing node '"..( node.name or "air" ).."' with '"..( item[ "metadata"] or "?" ).."'.");
--minetest.env:place_node( pos, { name = item[ "metadata" ] } );
minetest.env:add_node( pos, { name = item[ "metadata" ] } );
return nil; -- no item shall be removed from inventory
end,
})